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Michael, Jon, and Gemma become suspicious when the school clocks start spinning backward, the grumpy vice-principal turns friendly, and thirty-two gallons of yogurt disappear, and their investigations give way to a yogurt monster. Original.
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Book Description Avon Camelot, New York, NY, 1996. Paperback. Condition: New. For Ages 8-12 yrs., RL: 4.1; new book / old store stock; clean, tight and square, no tears or creases, text is clean and unmarked, pages and inside covers are yellowed. Seller Inventory # 312336